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3
votes
2answers
335 views

why slight delay after failed login in tty [duplicate]

Possible Duplicate: Why a wrong password gives a big delay Whenever I mistype my password when logging in in a tty, I have noticed that I have to wait for a second before I'm able to log in ...
2
votes
2answers
834 views

Timeout doesn't occur when reading from fifo using `read`

Look at this code: while read -t 3 line; do echo ${line} done < /opt/data.log data.log is a fifo. One process is writing to this, and this code should be reading it to show to the user. But ...
3
votes
1answer
349 views

How to disable timeout of password prompt for partition decryption during boot?

I have a computer running OpenSUSE 12.1, 64-bit, default install. How it works currently: I turn on the computer It goes through the boot process At some point during boot, I am asked for password ...
0
votes
1answer
2k views

Execute command for x seconds? [duplicate]

Possible Duplicate: Run a command for a specified time and then abort if time exceeds Is there a command which allows me to execute another command for at most x seconds? Imagined example: ...
18
votes
1answer
2k views

Run a command for a specified time and then abort if time exceeds

I want know how I can run a command for a specified time say, one minute and if it doesn't complete execution then I should be able to stop it.
3
votes
2answers
3k views

From shell, killing a process if wallclock runtime exceeds some predetermined value

I want to start a process from a shell script, allow it to interact with the user (so I cannot just background it, grab the PID, launch sleep followed by sanity checks and kill), but if it is still ...
3
votes
1answer
2k views

How to kill a command started over SSH - the SSH connection lost

If I use timeout 10 ssh -n -o BatchMode=yes 1.1.1.1 'sleep 20' > 1.1.1.1.txt 2>&1 & To give out a remote command on a server, and I kill the SSH connection after 10 seconds, then I ...
3
votes
3answers
356 views

Kill process when it stops to produce further output

Is there a shell tool which can probe if a subprocess is still producing output, and otherwise kill it after a specified timeout? I'm using offlineimap for Gmail backup, but that's very very very ...
6
votes
1answer
3k views

How long is a TCP local socket address that has been bound unavailable after closing?

On Linux (my live servers are on RHEL 5.5 - the LXR links below are to the kernel version in that), man 7 ip says: A TCP local socket address that has been bound is unavailable for some time after ...